Supergirl DC Comics Backpack with Cape (Superhero Girls School Supplies) DC Comics Supergirl Backpack with Detachable Cape (Superhero Girls Backpack). Deluxe 16 inch large Supergirl backpack with padded shoulder straps, zip compartments and top loop for hanging. Featuring Supergirl logo with glitter accents, 2 large compartments and sturdy zippers. Officially licensed DC Comics Superhero Girls school supplies. The perfect back to school Superhero Girls Supergirl backpack for kids -- girls and boys alike.